Reznor ADF is a versatile gas-fired heater that offers reliable and efficient heating solutions for various indoor and outdoor applications. Its advanced design and features make it an ideal choice for heating warehouses, factories, workshops, garages, and other large spaces. With its powerful heating capacity and adjustable temperature settings, the Reznor ADF ensures optimal comfort and warmth even in the harshest conditions. Its durable construction and safety features guarantee long-lasting performance and peace of mind.
Reznor ADF is a versatile gas-fired heater that offers reliable and efficient heating solutions for various indoor and outdoor applications. Its advanced design and features make it an ideal choice for heating warehouses, factories, workshops, garages, and other large spaces. With its powerful heating capacity and adjustable temperature settings, the Reznor ADF ensures optimal comfort and warmth even in the harshest conditions. Its durable construction and safety features guarantee long-lasting performance and peace of mind.
Form 400-GR (07-16), P/N 124760, page 1
Option CZ, Gas Pressure Regulator Kits
Applies: Model Series ADF/ADFH; RGB/RGBL; RPB/RPBL; PGBL; SSCBL & DFA
Form 400-GR(07-16)
Obsoletes Form 400-GR(11-17-15)
Description
The maximum gas supply pressure to the
application is 1/2 psi (14”w.c.). Option CZ
gas pressure regulator kits are designed to
regulate the gas pressure downward if the
gas supply pressure is greater than 1/2 psi
but less than or equal to 5 psi. Depending
on the pipe size, there are four regulator kits
available.
The gas regulators in these kits are the
lock-up type and comply with codes using
this specication. Under static conditions (no
gas ow), a lock-up type regulator will allow
the outlet pressure to rise slightly above
the adjusted pressure but will still be low
enough to protect the downstream controls.
The regulators have an adjustable outlet gas
range of 4” to 12” w.c. and are suitable for
either nature or propane gas.
WARNING
Do not install these regulator kits
if gas supply is greater than 5 psi.
A eld-supplied regulator with
adequate capacity is required.
Maxitrol Regulator Specications
Maxitrol Model & P/N
210DZ - 1”Pipe Size
P/N 124254
210DZ - 1-1/4”Pipe Size
P/N 170645
210EZ - 1-1/2”Pipe Size
P/N 124255
210EZ - 2”Pipe Size
P/N 170647
Size 1” x 1” NPT 1-1/4” x 1-1/4” NPT 1-1/2” x 1-1/2” NPT 2” x 2” NPT
Housing
High strength aluminum
alloy
High strength aluminum
alloy
High strength aluminum
alloy
High strength aluminum
alloy
Ambient Range -40°F to 200°F -40°F to 200°F -40°F to 200°F -40°F to 200°F
Maximum Pressure 5 psi 5 psi 5 psi 5 psi
Emergency Exposure 25 psi (inlet side only) 25 psi (inlet side only) 25 psi (inlet side only) 25 psi (inlet side only)
Pressure Tap
Both inlet and outlet
(plugged)
Both inlet and outlet
(plugged)
Both inlet and outlet
(plugged)
Both inlet and outlet
(plugged)
Vertical Vent 3/8” NPT 3/8” NPT 3/4” NPT 3/4” NPT
Flow Rate Capacity See Table 1 on page 2 See Table 2 on page 2 See Table 3 on page 2 See Table 4 on page 2
Option Kits Include:
Pipe Size
1” 1-1/4” 1-1/2” 2”
Option No.
CZ1 or
CZ4A
CZ4B
CZ2 or
CZ4C
CZ4D
Package P/N
124258 170644 124259 170646
Code Components Qty P/N P/N P/N P/N
1
Maxitrol Regulator
(see model & specications
below)
1 124254 170645 124255 170647
2 Hex Bushing (black iron) 1 8643
3/8” X 1/8”
8643
3/8” X 1/8”
124256
3/4” X 1/8”
124256
3/4” X 1/8”
3 1/8” X 2-1/2” Brass Nipple 3 107122 107122 107122 107122
4 1/8” - 90°Brass Elbow 2 124257 124257 124257 124257
5 Insect Screen, 1/8”NPT 1 96793 96793 96793 96793
1
2
3
4
5
Installation Instructions
NOTE: Pipe joint compound (pipe dope) must be resistant to the action of liqueed petroleum gas or any other
chemical constituents of the gas being supplied.
1. Turn off the gas supply.
2. Install the Regulator
The gas regulator must be in an upright position. Exterior to the heater cabinet, connect the regulator into a
horizontal section of gas supply line.
Form 400-GR (07-16) P/N 124760, page 2
Specications & illustrations subject to change without notice and without incurring obligations.
© Nortek Global HVAC, LLC 2015. All rights reserved.
All marks are the property of their respective organizations.
O’Fallon, MO I Printed in U.S.A. (7-16)
Form 400-GR (7-16), PN 124760
3. Install Vent Line (See Figure 1)
Remove the plastic plug from the tapped vent in
the top of the regulator. Starting at the regulator
(tapped vent) install the vent line by connecting the
pieces of pipe in the following sequence:
• Black Iron Hex Bushing
• 2-1/2” Pipe Nipple
• 90° Elbow (pointing away from the regulator)
• 2-1/2” Pipe Nipple
• 90° Elbow (pointing downward)
• 2-1/2” Pipe Nipple
Outdoor Installation - Attach plastic bug screen.
Indoor Installation - Extend vent line outdoors
using 1/8” eld-supplied piping; attach bug screen
to outdoor end of the vent line.
4. Leak Test the Gas Connections & Test the Gas
Pressure
If the unit has a gas train that includes an inlet
manifold shutoff valve, close the valve. If the gas
train does not include a manual shutoff valve
before the main control valve, disconnect & cap
the end of the gas line.
WARNING
All components of a gas supply system must
be leak tested prior to placing equipment in
service. NEVER TEST WITH AN OPEN
FLAME
High pressure testing of supply line is
acceptable, provided that the supply line has
been disconnected from the unit & the pipe
end capped.
Connect a manometer to the outlet pressure tap.
Turn on the gas supply & leak test the regulator
connections. Test using a leak-detecting solution.
Check the gas pressure reading on the manometer.
Outlet gas pressure must not be greater than 1/2
psi (14”w.c.). Outlet gas pressure may be adjusted
between 4”w.c. and 12”w.c. at the regulator.
Capacities for Spring Loaded Gas Pressure Regulators in Options CZ1 & CZ2 - Cubic Feet Per
Hour (0.64 specic gravity - natural gas).
TABLE 1 - Maxitrol Model 210DZ - 1”Pipe
Inlet
Pressure
Outlet Pressure (“w.c.)
2 4 6 9 12
8.0”w.c. 2,400 1,900 1,300 --- ---
0.5 psi 3,400 3,100 2,700 2,200 ---
0.75 psi 3,500 4,000 3,800 3,400 2,900
1.0 psi 3,500 4,000 4,500 4,300 3,900
1.5 psi 3,500 4,000 4,500 4,800 4,800
2.0 psi 3,500 4,000 4,500 4,800 4,800
3.0 psi 3,500 4,000 4,500 4,800 4,800
5.0 psi 3,500 4,000 4,500 4,800 4,800
Installation Instructions (cont’d)
TABLE 2 - Maxitrol Model 210DZ - 1-1/4”Pipe
Inlet
Pressure
Outlet Pressure (“w.c.)
2 4 6 9 12
8.0”w.c. 3,000 2,400 1,700 --- ---
0.5 psi 4,000 3,900 3,400 2,700 ---
0.75 psi 4,000 5,000 4,700 4,200 3,700
1.0 psi 4,000 5,000 5,000 5,300 4,900
1.5 psi 4,000 5,000 5,000 6,000 6,000
2.0 psi 4,000 5,000 5,000 6,000 6,000
3.0 psi 4,000 5,000 5,000 6,000 6,000
5.0 psi 4,000 5,000 5,000 6,000 6,000
Figure 1 - Install vent line on the gas regulator in the
sequence and direction illustrated (If indoor installation,
vent line must be eld extended to the outdoors).
TABLE 3 - Maxitrol Model 210EZ - 1-1/2”Pipe
Inlet
Pressure
Outlet Pressure (“w.c.)
2 4 6 9 12
8.0”w.c. 4,450 3,650 2,550 --- ---
0.5 psi 6,300 5,750 5,150 4,050 ---
0.75 psi 7,000 7,500 7,050 6,300 5,450
1.0 psi 7,000 8,800 8,500 7,950 7,250
1.5 psi 7,000 8,800 8,800 10,450 9,950
2.0 psi 7,000 8,800 8,800 10,500 10,500
3.0 psi 7,000 8,800 8,800 10,500 10,500
5.0 psi 7,000 8,800 8,800 10,500 10,500
TABLE 4 - Maxitrol Model 210EZ - 2”Pipe
Inlet
Pressure
Outlet Pressure (“w.c.)
2 4 6 9 12
8.0”w.c. 5,150 4,200 2,950 --- ---
0.5 psi 7,250 6,650 5,950 4,700 ---
0.75 psi 8,000 8,650 8,150 7,250 6,300
1.0 psi 8,000 10,000 9,850 9,150 8,400
1.5 psi 8,000 10,000 10,000 12,000 11,500
2.0 psi 8,000 10,000 10,000 12,000 12,000
3.0 psi 8,000 10,000 10,000 12,000 12,000
5.0 psi 8,000 10,000 10,000 12,000 12,000
-
1
-
2
Reznor ADF Installation guide
- Type
- Installation guide
Reznor ADF is a versatile gas-fired heater that offers reliable and efficient heating solutions for various indoor and outdoor applications. Its advanced design and features make it an ideal choice for heating warehouses, factories, workshops, garages, and other large spaces. With its powerful heating capacity and adjustable temperature settings, the Reznor ADF ensures optimal comfort and warmth even in the harshest conditions. Its durable construction and safety features guarantee long-lasting performance and peace of mind.
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